Chainsaw



FIG. 1 is a right perspective view of the chainsaw;

FIG. 2 is a front view of the chainsaw shown in FIG. 1;

FIG. 3 is a rear view of the chainsaw shown in FIG. 1;

FIG. 4 is a left side view of the chainsaw shown in FIG. 1;

FIG. 5 is a right side view of the chainsaw shown in FIG. 1;

FIG. 6 is a top view of the chainsaw shown in FIG. 1; and,

FIG. 7 is a bottom view of the chainsaw shown in FIG. 1.

The portions of the figures shown in broken lines depict environmental structure that forms no part of the claimed design. 

CLAIM I claim the ornamental design for a chainsaw, as shown and described. 